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 | | 'use strict'; |  | var $ = require('../internals/export'); |  | var difference = require('../internals/set-difference'); |  | var setMethodAcceptSetLike = require('../internals/set-method-accept-set-like'); |  |   |  | var INCORRECT = !setMethodAcceptSetLike('difference', function (result) { |  |   return result.size === 0; |  | }); |  |   |  | // `Set.prototype.difference` method |  | // https://tc39.es/ecma262/#sec-set.prototype.difference |  | $({ target: 'Set', proto: true, real: true, forced: INCORRECT }, { |  |   difference: difference |  | }); | 
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